Convert a standard number to scientific notation (a × 10ⁿ) or expand scientific notation back to a plain number.
Numbers • sci notation
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Scientific notation writes very large or very small numbers compactly as a value between 1 and 10 times a power of ten — 1,500,000 becomes 1.5 × 10⁶. It is the standard in science, engineering and math for keeping huge or tiny quantities readable and for showing significant figures.
This converter turns a standard number into scientific notation and expands scientific (e-notation) back into a full number, instantly in your browser.